.checkboxFn(@checkbox-prefix-cls: ~"@{css-prefix}checkbox") {
  @checkbox-inner-prefix-cls: ~"@{checkbox-prefix-cls}-inner";

  .@{checkbox-prefix-cls}-focus {
    box-shadow: 0 0 0 2px fade(@primary-color, 20%);
    z-index: 1;
  }

  // 普通状态
  .@{checkbox-prefix-cls} {
    display: inline-block;
    vertical-align: middle;
    white-space: nowrap;
    cursor: pointer;
    //outline: none;
    line-height: 1;
    position: relative;

    &-disabled {
      cursor: @cursor-disabled;
    }

    &:hover {
      .@{checkbox-inner-prefix-cls} {
        border-color: #bcbcbc;
      }
    }

    &-inner {
      display: inline-block;
      width: 14px;
      height: 14px;
      position: relative;
      top: 0;
      left: 0;
      border: 1px solid @border-color-base;
      border-radius: 2px;
      background-color: #fff;
      transition: border-color @transition-time @ease-in-out, background-color @transition-time @ease-in-out, box-shadow @transition-time @ease-in-out;

      &:after {
        content: '';
        display: table;
        width: 4px;
        height: 8px;
        position: absolute;
        top: 1px;
        left: 4px;
        border: 2px solid #fff;
        border-top: 0;
        border-left: 0;
        transform: rotate(45deg) scale(0);
        transition: all @transition-time @ease-in-out;
      }
    }

    &-large {
      & .@{checkbox-inner-prefix-cls} {
        width: 16px;
        height: 16px;

        &:after {
          width: 5px;
          height: 9px;
        }
      }
    }

    &-small {
      font-size: 12px;

      & .@{checkbox-inner-prefix-cls} {
        width: 12px;
        height: 12px;

        &:after {
          top: 0;
          left: 3px;
        }
      }
    }

    &-input {
      width: 100%;
      height: 100%;
      position: absolute;
      top: 0;
      bottom: 0;
      left: 0;
      right: 0;
      z-index: 1;
      cursor: pointer;
      opacity: 0;

      &[disabled] {
        cursor: @cursor-disabled;
      }
    }
  }

  // 选中状态
  .@{checkbox-prefix-cls}-checked {

    &:hover {
      .@{checkbox-inner-prefix-cls} {
        border-color: @primary-color;
      }
    }

    .@{checkbox-inner-prefix-cls} {
      border-color: @primary-color;
      background-color: @primary-color;

      &:after {
        content: '';
        display: table;
        width: 4px;
        height: 8px;
        position: absolute;
        top: 1px;
        left: 4px;
        border: 2px solid #fff;
        border-top: 0;
        border-left: 0;
        transform: rotate(45deg) scale(1);
        transition: all @transition-time @ease-in-out;
      }
    }
  }
  .@{checkbox-prefix-cls}-large {
    .@{checkbox-prefix-cls}-checked {
      .@{checkbox-inner-prefix-cls} {
        &:after {
          width: 5px;
          height: 9px;
        }
      }
    }
  }
  .@{checkbox-prefix-cls}-small {
    .@{checkbox-prefix-cls}-checked {
      .@{checkbox-inner-prefix-cls} {
        &:after {
          top: 0;
          left: 3px;
        }
      }
    }
  }

  // 禁用
  .@{checkbox-prefix-cls}-disabled {
    &.@{checkbox-prefix-cls}-checked {
      &:hover {
        .@{checkbox-inner-prefix-cls} {
          border-color: @border-color-base;
        }
      }

      .@{checkbox-inner-prefix-cls} {
        background-color: #f3f3f3;
        border-color: @border-color-base;

        &:after {
          animation-name: none;
          border-color: #ccc;
        }
      }
    }

    &:hover {
      .@{checkbox-inner-prefix-cls} {
        border-color: @border-color-base;
      }
    }

    .@{checkbox-inner-prefix-cls} {
      border-color: @border-color-base;
      background-color: #f3f3f3;

      &:after {
        animation-name: none;
        border-color: #f3f3f3;
      }
    }

    .@{checkbox-inner-prefix-cls}-input {
      cursor: default;
    }

    & + span {
      color: #ccc;
      cursor: @cursor-disabled;
    }
  }

  // 半选状态
  .@{checkbox-prefix-cls}-indeterminate {
    .@{checkbox-inner-prefix-cls}:after {
      content: '';
      width: 8px;
      height: 1px;
      transform: scale(1);
      position: absolute;
      left: 2px;
      top: 5px;
    }

    &:hover {
      .@{checkbox-inner-prefix-cls} {
        border-color: @primary-color;
      }
    }

    .@{checkbox-inner-prefix-cls} {
      background-color: @primary-color;
      border-color: @primary-color;
    }

    &.@{checkbox-prefix-cls}-disabled {
      .@{checkbox-inner-prefix-cls} {
        background-color: #f3f3f3;
        border-color: @border-color-base;
      }

      .@{checkbox-inner-prefix-cls}:after {
        border-color: @input-placeholder-color;
      }
    }
  }
  .@{checkbox-prefix-cls}-large {
    .@{checkbox-prefix-cls}-indeterminate {
      .@{checkbox-inner-prefix-cls}:after {
        width: 10px;
        top: 6px;
      }
    }
  }
  .@{checkbox-prefix-cls}-small {
    .@{checkbox-prefix-cls}-indeterminate {
      .@{checkbox-inner-prefix-cls}:after {
        width: 6px;
        top: 4px;
      }
    }
  }

  .@{checkbox-prefix-cls}-wrapper {
    cursor: pointer;
    font-size: @font-size-small;
    display: inline-block;
    margin-right: 8px;
    //outline: none;

    &-disabled {
      cursor: @cursor-disabled;
    }

    &.@{checkbox-prefix-cls}-large {
      font-size: @font-size-base;
    }
  }

  .@{checkbox-prefix-cls}-wrapper + span,
  .@{checkbox-prefix-cls} + span {
    //margin-left: 4px;
    margin-right: 4px;
  }

  .@{checkbox-prefix-cls}-group {
    font-size: @font-size-base;

    &-item {
      display: inline-block;
    }
  }
}
